Search a number
-
+
554224440 = 233571159981
BaseRepresentation
bin100001000010001…
…100101100111000
31102121212112000010
4201002030230320
52113340140230
6130554541520
716506554460
oct4102145470
91377775003
10554224440
11264933030
121357378a0
138aa8c273
145386cba0
15339c99b0
hex2108cb38

554224440 has 128 divisors (see below), whose sum is σ = 2072977920. Its totient is φ = 115161600.

The previous prime is 554224439. The next prime is 554224441. The reversal of 554224440 is 44422455.

It is an interprime number because it is at equal distance from previous prime (554224439) and next prime (554224441).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 554224398 and 554224407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554224441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20751 + ... + 39230.

It is an arithmetic number, because the mean of its divisors is an integer number (16195140).

Almost surely, 2554224440 is an apocalyptic number.

It is an amenable number.

554224440 is an abundant number, since it is smaller than the sum of its proper divisors (1518753480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

554224440 is a wasteful number, since it uses less digits than its factorization.

554224440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60013 (or 60009 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 554224440 is about 23541.9718800274. The cubic root of 554224440 is about 821.4136037168.

Adding to 554224440 its reverse (44422455), we get a palindrome (598646895).

The spelling of 554224440 in words is "five hundred fifty-four million, two hundred twenty-four thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 33 35 40 42 44 55 56 60 66 70 77 84 88 105 110 120 132 140 154 165 168 210 220 231 264 280 308 330 385 420 440 462 616 660 770 840 924 1155 1320 1540 1848 2310 3080 4620 9240 59981 119962 179943 239924 299905 359886 419867 479848 599810 659791 719772 839734 899715 1199620 1259601 1319582 1439544 1679468 1799430 1979373 2099335 2399240 2519202 2639164 3298955 3358936 3598860 3958746 4198670 4618537 5038404 5278328 6298005 6597910 7197720 7917492 8397340 9237074 9896865 10076808 12596010 13195820 13855611 15834984 16794680 18474148 19793730 23092685 25192020 26391640 27711222 36948296 39587460 46185370 50384040 55422444 69278055 79174920 92370740 110844888 138556110 184741480 277112220 554224440